A train covers a distance between two stations A and B in 45 minutes. If the speed of the train is reduced by 5 km/hr, then it covers the distance in 48 minutes. The distance between the stations A and B is :

• ক 55 km
• খ 60 km ✅ সঠিক উত্তর
• গ 50 km
• ঘ 40 km